<script src="http://pv.sohu.com/cityjson?ie=utf-8">
// var returnCitySN = {"cip": "180.109.58.143", "cid": "320100", "cname": "江苏省南京市"};
</script>
<script type="text/javascript">  
    console.log(returnCitySN["cip"]+','+returnCitySN["cname"])  
</script>